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Shib Sagar posted an Question

August 31, 2020 • 03:16 am

30 points

IIT JAM
Chemistry (CY)

Please solve this problem

is iaie in nature (d) plaster of paris, mixture of gases

2 Answer(s)

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Dinesh khalmaniya 1

10) option A 11) option A solution 10) Alkaline earth metals have stronger tendency to form complexes then alkali earth metal. This is because of their smaller size and high charge. The tendency of complex formation decrease down the group due to increase in size. solution 11)
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got it??
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Priyanshu kumar

Hope this much helps u😊🙏
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Priyanshu kumar Best Answer

Ques 10 option A is correct
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Atomic size increases down the group
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Alkaline earth metals have stronger tendency to form complexes then alkali earth metal. This is because of their smaller size and high charge. The tendency of complex formation decrease down the group as atomic size increases down the group..
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got this dear shib??
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sir how atomic size decreases the tendency of complex formation
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charge remain same in the group but as the size increases....the charge density becomes less....so complex forming tendency becomes less
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complex formation ke liye jyada charge density hona chahiye na metal ke pass
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now clear shib??
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Priyanshu kumar

ques 11 option A is correct
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on heating gypsum at 120°C it looses part of water of crystallisation and forms plaster of paris
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and when heated at 205°C it forms anahydrous calcium sulphate which is also known as dead burnt plaster
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Got it dear shib??
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please respond
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